Question

A gas is taken through the cycle A → B → C → A, as shown. What is the net work  done by the gas?

(a) Zero

(b) - 2000 J

(c) 2000 J

(d) 1000 J

Answer 1

Correct option (d) 1000 J

Explanation:

In a cyclic process, work done is equal to the area under the cycle and is positive if the cycle is clockwise and negative if the cycle is anticlockwise.

The net work done by the gas is W = Area of the cycle ABCA